FEATURE: add functionality for creating new widget.

This commit adds functionality for creating widget of whatever type. Controller calls widget admin handler, which renders and handles input form.

resources/lang/en/admin/widgets.php

@@ -0,0 +1,25 @@
+<?php
+return [
+    'cannotSave'               => 'Cannot save widget. Message: :exception',
+    'missingValue'             => 'You must specify value for field :field',
+    'successfullyCreated'      => 'Widget successfully created.',
+    'successfullyEdited'       => 'Widget successfully edited.',
+    'noEntries'                => 'No widgets available.',
+    'overview'                 => 'List of all widgets',
+    'widgetType'               => 'Type of widget',
+    'name'                     => 'Name',
+    'description'              => 'Description',
+    'actions'                  => 'Actions',
+    'preview'                  => 'Widgets preview',
+    'createdAt'                => 'Created at',
+    'updatedAt'                => 'Last update',
+    'unassociatedWidgets'      => 'List of not associated widgets',
+    'associate'                => 'Add',
+    'edit'                     => 'Edit',
+    'deleteAssociation'        => 'Remove',
+    'associationExists'        => 'This widget is already associated with this widget area',
+    'successfullyAssociated'   => 'Association successfull',
+    'associationDoesNotExists' => 'This association does not exist',
+    'successfullyDeassociated' => 'Successfully removed from widget area',
+
+];

resources/lang/en/widgets/htmlCode.php

@@ -0,0 +1,15 @@
+<?php
+return [
+    'widgetName'         => 'HTML code',
+    'new'                => 'Create new HTML widget',
+    'edit'               => 'Editing widget :name',
+    'containerClass'     => 'HTML class used for container of this widget',
+    'widgetDescription'  => 'Simple widget for inserting html code',
+    'name'               => 'Name',
+    'description'        => 'Description',
+    'code'               => 'HTML code',
+    'createNew'          => 'Create new HTML code widget',
+    'editExisting'       => 'Update widget',
+    'successfullyEdited' => 'Widget successfully modified',
+    'preview'            => 'Preview'
+];